Water Filters · Head-to-head

APEC Water Systems ROES-50 (Essence Series) vs Aquasana AQ-MF-1 (Claryum Direct Connect)

APEC Water Systems ROES-50 (Essence Series)
Best Budget RO (Lab-Tested, Not PFAS-Certified)

APEC Water Systems ROES-50 (Essence Series)

7.0/10
$179.99 at Amazon
Check price at Amazon
Aquasana AQ-MF-1 (Claryum Direct Connect)
Best for Renters (No Drilling)

Aquasana AQ-MF-1 (Claryum Direct Connect)

7.7/10
$124.99 at Amazon
Check price at Amazon

The short answer

Aquasana AQ-MF-1 (Claryum Direct Connect) comes out ahead overall with 7.7/10 against 7.0/10 for the APEC Water Systems ROES-50 (Essence Series). APEC Water Systems ROES-50 (Essence Series) is stronger on other contaminant coverage, value and reliability & support. Aquasana AQ-MF-1 (Claryum Direct Connect) is stronger on pfas reduction evidence, installation & cabinet fit, flow & daily convenience and health, materials & sustainability. At current verified prices, the Aquasana AQ-MF-1 (Claryum Direct Connect) costs about $55.00 less.

Scores by criterion

CriterionAPEC Water Systems ROES-50 (Essence Series)Aquasana AQ-MF-1 (Claryum Direct Connect)
PFAS reduction evidence 7.0100% total PFAS in one independent lab test; no PFAS certification. 7.5Certified per maker data sheet only; certifier inconsistent.
Other contaminant coverage 8.5Lab-verified lead, arsenic, uranium and fluoride, plus NSF 58. 7.042/53/401 coverage.
Value 8.5$180 and about $75 a year. 8.0$124.99; long-life cartridge.
Installation & cabinet fit 4.5Tank, drain saddle, faucet hole; may need a pro. 9.5No drilling, faucet or power.
Flow & daily convenience 5.050 GPD tank; fiddly changes. 8.01.5 gpm through the main faucet; cold only.
Health, materials & sustainability 6.0No power, but 3:1 waste and strips minerals. 7.5No wastewater; BPA-free claim is brand-level.
Reliability & support 7.0Long-selling; standard filters. 6.01-year warranty; third-party Amazon seller.

Specifications

SpecAPEC Water Systems ROES-50 (Essence Series)Aquasana AQ-MF-1 (Claryum Direct Connect)
Filter type Tank reverse osmosis Inline carbon block (Claryum), single cartridge
PFAS certification (as stated by maker) None for PFAS; WQA certified (NSF/ANSI 58 system performance) IAPMO-certified to NSF/ANSI 42, 53 (includes P473) and 401; 95% PFOA/PFOS reduction
Third-party certified for PFAS No Yes
Independent lab total PFAS reduction 100 % —
Filtration stages 5 1
Filter capacity (primary cartridge) — 784 gal
Rated filter life 12 months 6 months
Rated flow rate 0.04 gpm 1.5 gpm
Est. annual filter cost 75 USD —
Pure-to-drain ratio (RO) 1:3 (3 gal drain per 1 gal filtered, TechGearLab) None (no RO)
Needs electrical outlet No No
Uses dedicated faucet (drilling may be needed) Yes No

APEC Water Systems ROES-50 (Essence Series)

Pros

  • 100% total PFAS removal in Tap Score testing
  • Removes lead, arsenic, uranium and fluoride
  • Low yearly filter cost
  • No electricity needed

Cons

  • No PFAS certification
  • About 3 gallons of wastewater per gallon filtered
  • Bulky tank and harder install
  • Water can taste flat

A capable budget RO system with good lab data. Buy it for breadth, not for certified PFAS claims.

Full APEC Water Systems ROES-50 (Essence Series) review →

Aquasana AQ-MF-1 (Claryum Direct Connect)

Pros

  • No drilling and no second faucet
  • Certified to NSF/ANSI 42, 53 (P473) and 401
  • 1.5 gpm flow
  • 784-gallon cartridge

Cons

  • Only cold water is filtered
  • Certifier named inconsistently across listings
  • No independent review found
  • 1-year limited warranty

The right pick when installation limits decide it. Check the certification on the box before you rely on it.

Full Aquasana AQ-MF-1 (Claryum Direct Connect) review →

Both products are part of our guide The Best Under-Sink Filters for PFAS of 2026, where you can see every pick, how we score and current prices from each retailer.